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Noah

PhD in Quantitative Psychology from UNC Chapel Hill. Author of R packages cobalt and WeightIt for causal inference.

I have expertise in propensity score methods, matching, causal inference, linear regression, logistic regression, and programming in R.

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  • Durham, NC, United States
  • noah_greifer
  • ngreifer
  • Member for 4 years, 2 months
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  • Last seen 1 hour ago

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17 If p-value is exactly 1 (1.0000000), what should the confidence interval limits be to support null hypothesis being true? Sep 2 '19
17 Propensity score matching - What is the problem? Aug 1
12 Representing interaction effects in directed acyclic graphs Jun 6 '18
11 In R, how do I test $H_0: \beta_1+\beta_2=0$ Aug 8 '19
11 Correlation is scale invariant but my math doesn't work out Jan 13
10 Why is the intercept changing in a logistic regression when all predictors are standardized? Oct 2 '19
10 Raw or orthogonal polynomial regression? Oct 26 '19
10 Interpretation of coefficients in a poorly performing GLM Jun 16
10 Why are exponentiated logistic regression coefficients considered “odds ratios”? Aug 9 '18
8 McNemar or Fisher exact test for propensity score matched data? Jun 12 '18
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